Definitive insight into the graphite oxide reduction mechanism by deuterium labeling
The reduction of graphite oxide is one of the most important reactions in the production of graphene in gram quantities. The mechanisms of these widely used reactions are poorly understood. The mechanism of the chemical reduction of two different graphite oxides prepared by the chlorate (Hofmann met...
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sg-ntu-dr.10356-819182020-03-07T12:31:26Z Definitive insight into the graphite oxide reduction mechanism by deuterium labeling Jankovský, Ondřej Šimek, Petr Luxa, Jan Sedmidubský, David Tomandl, Ivo Macková, Anna Mikšová, Romana Malinský, Petr Pumera, Martin Sofer, Zdeněk School of Physical and Mathematical Sciences DRNTU::Science::Chemistry::Organic chemistry::Oxidation The reduction of graphite oxide is one of the most important reactions in the production of graphene in gram quantities. The mechanisms of these widely used reactions are poorly understood. The mechanism of the chemical reduction of two different graphite oxides prepared by the chlorate (Hofmann method) and permanganate methods (Hummers method) has been investigated. Three different reduction agents, lithium tetrahydridoaluminate, sodium tetrahydridoborate, and lithium tetrahydridoborate, as well as their deuterated counterparts, were used for the reduction of graphite oxide. Reduced graphite oxides were analyzed by scanning electron microscopy, energy-dispersive spectroscopy, elemental combustion analysis, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, and simultaneous thermal analysis. The concentration of boron incorporated into graphene was measured by prompt gamma activation analysis. Rutherford back-scattering spectroscopy and elastic recoil detection analysis were used for the determination of the elemental composition, including deuterium concentration, as evidence of C-H bond formation. 2015-06-14T14:14:48Z 2019-12-06T14:43:02Z 2015-06-14T14:14:48Z 2019-12-06T14:43:02Z 2015 2015 Journal Article Jankovský, O., Šimek, P., Luxa, J., Sedmidubský, D., Tomandl, I., Macková, A., et al. (2015).Definitive insight into the graphite oxide reduction mechanism by deuterium labeling. ChemPlusChem, 80(9), 1399-1407. 2192-6506 https://hdl.handle.net/10356/81918 http://hdl.handle.net/10220/25897 10.1002/cplu.201500168 en ChemPlusChem © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
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DRNTU::Science::Chemistry::Organic chemistry::Oxidation Jankovský, Ondřej Šimek, Petr Luxa, Jan Sedmidubský, David Tomandl, Ivo Macková, Anna Mikšová, Romana Malinský, Petr Pumera, Martin Sofer, Zdeněk Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
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The reduction of graphite oxide is one of the most important reactions in the production of graphene in gram quantities. The mechanisms of these widely used reactions are poorly understood. The mechanism of the chemical reduction of two different graphite oxides prepared by the chlorate (Hofmann method) and permanganate methods (Hummers method) has been investigated. Three different reduction agents, lithium tetrahydridoaluminate, sodium tetrahydridoborate, and lithium tetrahydridoborate, as well as their deuterated counterparts, were used for the reduction of graphite oxide. Reduced graphite oxides were analyzed by scanning electron microscopy, energy-dispersive spectroscopy, elemental combustion analysis, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, and simultaneous thermal analysis. The concentration of boron incorporated into graphene was measured by prompt gamma activation analysis. Rutherford back-scattering spectroscopy and elastic recoil detection analysis were used for the determination of the elemental composition, including deuterium concentration, as evidence of C-H bond formation. |
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School of Physical and Mathematical Sciences |
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School of Physical and Mathematical Sciences Jankovský, Ondřej Šimek, Petr Luxa, Jan Sedmidubský, David Tomandl, Ivo Macková, Anna Mikšová, Romana Malinský, Petr Pumera, Martin Sofer, Zdeněk |
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Article |
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Jankovský, Ondřej Šimek, Petr Luxa, Jan Sedmidubský, David Tomandl, Ivo Macková, Anna Mikšová, Romana Malinský, Petr Pumera, Martin Sofer, Zdeněk |
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Jankovský, Ondřej |
title |
Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
title_short |
Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
title_full |
Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
title_fullStr |
Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
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Definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
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definitive insight into the graphite oxide reduction mechanism by deuterium labeling |
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2015 |
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https://hdl.handle.net/10356/81918 http://hdl.handle.net/10220/25897 |
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